Truck side frame.



. cuantas. nsoonsnnn, or-coLUMBUs, omo.

TRUCK SIDE FRAME.

Specification of Letters Patent.

v,l'a'tenteld April 14, 1908.

App'licanon mea January 11, 190s. serial No. 410,348.

l of which the following is a specification.

My invention relates to the improvement ofwcartruck .'side frames and journal boxes which are adapted to be used inconjunction therewith and the objects of my invention 'are toprovide an exceedingly strong and'at the same, time inexpensive construction ofl` truck side frame; to so` construct my improved truck frame and the journal boxes therefor, as to permit'of the' journal boxes beingl readily connected with or detached from the truck side frames, thus obviating the difficulties usually experienced in securin a perfect casting where the' boxes and si e -frame are castintegral and also to provide improved means of securingthe boxes rigidly in connection with the frame without v the employment of bolts or similar attaching devices.y These objectsl accomplish in the manner illustrated 1n the accompanying drawing, in which:

' rFigure 1 isy a side elevation otl the car truck frame showing the4 journalboxes and 'car wheels in connection therewith, -Fig. 2 is a plan view of the same, and, Fig. 3 is a sectional view on line azof Fig. 1 showingI the car Wheel and its journal in elevation.

Similar numerals refer to similar parts throughout the several views.

'1 represents one of my improvedj inte grally cast side truck frames, which at the.

'center of its length and at its point of greatest height is formed with a bolsterreceiving .opening 2 in which the end of a bolster 3 is mounted upon spring 4. v

Each end or bearing head' 1a of the truck frame'is preferably` formed as shown, of a substantially oyal shape and within each of said oval terminations 1s a correspondingly shaped opening as indicated at.5,the longer diameter of 'said openinof being' represented b aline' drawn vertical y throu h the axis t ereof. As indicated at 6 in F g. 3 of the j drawing, I formin the head or bearing end 1a at the lower side or end of the opening 5,

, a recess or offset, while a similar recess or offset? is formed in said head at the upper side of the inner mouth of the opening 5. 8 represents a car wheel and 9 the projecting journal thereof which is of the usual form and construction.

10 re resents a journal box which issu-bstantial y oval in cross section and the body of which is 'of such form to admit of its litting detachably within the o Jeningv 5 of the truck frame ond or head. This journal box is provided with the usual forward extension, the front of which is adapted to be closedv in the usual manner by -a hinged door 11.' lIn the. construction of the journal box, I form on the lower side thereof toward the front end, a downwardly projecting lug 12 and a similar lug 13 is formed on the upper side of said journal box toward the rear endv thereof. The journal box thusformed incloses the usual metallic packing or wearing brass 14. In connecting the box with the truck frame end,it will be understood tlnitsaid box is designed. to be inserted into theopcning 5 from the outer end. thereof and owing to the formation of the. projecting lugs 13 and .l2 on the box, it is obvious that the latter must while being. inserted., be tilted to such angle. as to prevent the lug 13 from-contacting with the head or frame end until the 'box has been forced iliward a sufficient distance to permit it being dropped to a horizontal position, therebyv causing an engagement. oi' the lug 13 with the shoulder formed by the recess 7 and a correspomling engagement of the lug 1.2 with the sl\oulder'formed b y the recess G. l/V'hen thus supported within the frame o ening,it is obvious that tl1e.engagement o. the box lugs and frame recesses described, will operateI to el'l'ectuzilly lock the box in connection with the frame and prevent its movement either inward o1' outward. It will be' observed that in the construction of the. frame l, I have l)rovided a greater thickness of metal. above the openings and below the saine, thereby insuring greater strength where the same is needed.

By the l construction which I have described, itwill readily be understood thatnnot only is a strong and durable construction 'of truck frame provided,'bu't that f means are embodied "`for interchangeably connecting with said truck frame separately 4formed journal boxes. It is well known that Where integrally formed truck yside 'frames and journal boxes are employed, great difliculty 1s experienced in secu-ring 1Cperfect castings, A such for instance as the di culty of so cast-f* ing such an integral formation as to overcome the shrinking stressesn'nd produce thev boxes in their proper alinement; the difli oult.. of drawing patterns and the; difficulty- 'new truck freine and it is also Well known that Where seperately formed truck sidel frames and journal boxes have been eonneeted by bolts und other sepa-rete ettnehing;

hid truck freine and holding seid boxes devices, such bolts are often broken from the ed'eet o4 sudden gars or Jolts to winch fr eeris ordinarlly subjected. These difficult-les nre obviously overeome by the e-(mstruetioni herein shown and described and in addition thereto, the form and eolnstruetion of the bearing nuls or hen-ds of the side frame, is

such as to import great `strength to the sanne.

ihn-t I. ehliln, is:

l. The combination with :in integrally formed truck side :fra-me ',hnving openings through eil-,eh end :1tright :ingles with the. direeton of the length oi said freine, and jofurnalV boxes adapted to be received and rigidly,Supported in seid openings.

, i ',.m"lr`l'1efeombiimtion with an integrally Another di oulty arisy vformed truck side frame hsvi i openings ythrough each end thereof extendlng at right langles to the direction of the length of the with said frames.

3\1 The 4combina-tion with an integrally forn ed truck -sde frame having openin s through each end thereof extending at rig t angles with the direction of the length of the frame, ofjonrnal boxes, and means formed integra-l Wr'ih said journalboxes for engaging rigidly in connection therewith. 4. The combination with a truck side frame hamving openings through the integrally formed end portions thereof, said openings extending at right angles with the dlreetion L. of the length of the freine, and 'ournal boxes adapted to be received by an rigidly held in said openings. l

I n testimony whereof I affix my signature in presence. of two witnesses.

CHARLES B. GOODSPEED Writnesses:

C. C. SHEPHERD, A.-L. PnELPs.

trarne, and means' 'for detaehably looking` said journal boxes into rigid engagementv 

